static void Main(string[] args)
{
Console.Clear();
MessagesHelper.Invitations();
// var user1 = new User();
MessagesHelper.GetUserData(ref user1);
System.Console.WriteLine($"OK {user1.FirstName} so You are born in '{user1.CountShortBornYear()} \n \n");
System.Console.WriteLine("Aren't You? \n \n");
while (true)
{
MainMenu();
Console.Clear();
}
}